shwaehman syndrome, next to cystic fibrosis, is the second cause of congenita! exocrine pancreatic insufficiency in children. it appears as steatorrhea, recurrent infections and hematologic abnormalities such as neutropenia, skeletal dysplasia and short stature. in this study, we reviewed 3 patients' histories. all of them showed cellular chemotaxic defect. one of them had been affected by neph...